Conjugación del verbo inglés COULD THREAD

Verbo regular: thread - threaded - threaded

Afirmación

Forma simple

I could thread
you could thread
she could thread
we could thread
you could thread
they could thread

Forma con V-ing

I could be threading
you could be threading
she could be threading
we could be threading
you could be threading
they could be threading

Perfecto

I could have threaded
you could have threaded
she could have threaded
we could have threaded
you could have threaded
they could have threaded

Perfecto con V-ing

I could have been threading
you could have been threading
she could have been threading
we could have been threading
you could have been threading
they could have been threading

Negación

Forma simple

I couldn't thread
you couldn't thread
she couldn't thread
we couldn't thread
you couldn't thread
they couldn't thread

Forma con V-ing

I couldn't be threading
you couldn't be threading
she couldn't be threading
we couldn't be threading
you couldn't be threading
they couldn't be threading

Perfecto

I couldn't have threaded
you couldn't have threaded
she couldn't have threaded
we couldn't have threaded
you couldn't have threaded
they couldn't have threaded

Perfecto con V-ing

I couldn't have been threading
you couldn't have been threading
she couldn't have been threading
we couldn't have been threading
you couldn't have been threading
they couldn't have been threading

Forma interrogativa

Forma simple

could I thread?
could you thread?
could she thread?
could we thread?
could you thread?
could they thread?

Forma con V-ing

could I be threading?
could you be threading?
could she be threading?
could we be threading?
could you be threading?
could they be threading?

Perfecto

could I have threaded?
could you have threaded?
could she have threaded?
could we have threaded?
could you have threaded?
could they have threaded?

Perfecto con V-ing

could I have been threading?
could you have been threading?
could she have been threading?
could we have been threading?
could you have been threading?
could they have been threading?

Forma interro-negativa

Forma simple

couldn't I thread?
couldn't you thread?
couldn't she thread?
couldn't we thread?
couldn't you thread?
couldn't they thread?

Forma con V-ing

couldn't I be threading?
couldn't you be threading?
couldn't she be threading?
couldn't we be threading?
couldn't you be threading?
couldn't they be threading?

Perfecto

couldn't I have threaded?
couldn't you have threaded?
couldn't she have threaded?
couldn't we have threaded?
couldn't you have threaded?
couldn't they have threaded?

Perfecto con V-ing

couldn't I have been threading?
couldn't you have been threading?
couldn't she have been threading?
couldn't we have been threading?
couldn't you have been threading?
couldn't they have been threading?

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